Function cellSysCacheMount

ps3fw/cellSysCache.cpp:196–289

}

error_code cellSysCacheMount(vm::ptr<CellSysCacheParam> param)
{
	cellSysutil.notice("cellSysCacheMount(param=*0x%x ('%s'))", param,
		param.ptr(&CellSysCacheParam::cacheId));

	auto& cache = g_fxo->get<syscache_info>();

	if (!param)
	{
		return CELL_SYSCACHE_ERROR_PARAM;
	}

	std::string cache_name;

	ensure(vm::read_string(param.ptr(&CellSysCacheParam::cacheId).addr(),
			   sizeof(param->cacheId), cache_name),
		"Access violation");

	if (!cache_name.empty() &&
		sysutil_check_name_string(cache_name.data(), 1, CELL_SYSCACHE_ID_SIZE) !=
			0)
	{
		return CELL_SYSCACHE_ERROR_PARAM;
	}

	// Full virtualized cache id (with title id included)
	std::string cache_id = vfs::escape(Emu.GetTitleID() + '_' + cache_name);

	// Full path to virtual cache root (/dev_hdd1)
	std::string new_path = cache.cache_root + cache_id + '/';

	// Set fixed VFS path
	strcpy_trunc(param->getCachePath, "/dev_hdd1");

	// Lock pseudo-mutex
	const auto lock = cache.init.init_always([&] {});

	std::lock_guard lock0(g_mp_sys_dev_hdd1.mutex);

	// Check if can reuse existing cache (won't if cache id is an empty string or
	// cache is damaged/incomplete)
	if (!cache_name.empty() && cache_id == cache.cache_id)
	{
		// Isn't mounted yet on first call to cellSysCacheMount
		if (vfs::mount("/dev_hdd1", new_path))
			g_fxo->get<lv2_fs_mount_info_map>().add("/dev_hdd1", &g_mp_sys_dev_hdd1);

		cellSysutil.success("Mounted existing cache at %s", new_path);
		return not_an_error(CELL_SYSCACHE_RET_OK_RELAYED);
	}

	const bool can_create = cache.cache_id != cache_id || !cache.cache_id.empty();

	if (!cache.cache_id.empty())
	{
		// Clear previous cache
		cache.clear(true);
	}